🔧 What this part is
Auxiliary Topside, Balboa, Genuine AX10A1, Jet 1, without Overlay, part number G8911. The internal is the part of a jet that sits in the spa shell and can be replaced without touching the plumbing behind it.
✅ Check before you order
- The number on the old part should read G8911, or the maker’s equivalent.
- Not sure? Send us a photo of the old part and any number on it, and we will tell you whether this is the one.
📌 Also on this listing
This auxiliary topside is specific to Jet 1. It will not operate other appliances.
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Y Splitter, Balboa Water Group, Aux Panel, 6-Pin Molex | 25257 | 106 in stock | $14.95 | Add to cart |
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Overlay, Balboa Auxiliary AX10, Bugs | 17672 | 36 in stock | $21.97 | Add to cart |
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Adapter Plate, United Spa Controls T5 | FP129 | 3 in stock | $13.90 | Add to cart |








